Study on the Synthesis of 3,3'- bis for the Novel Cationic Curing Monomer

doi:10.7517/j.issn.1674-0475.2016.02.181

Abstract

Abstract:

A novel cationic curing reactive monomer, 3,3'-bis, was synthesized with 3-ethyl-3-hydroxymethyl oxetane and 1,4-dibromobutane as raw materials, tera-n-butylammonium bromide as phase-transfer catalysts in the alkaline conditions. The optimum conditions were set as the amount of 1,4-dibromobutane was 0.2 mol, the molar ratio of 1,4-dibromobutane and 3-ethyl-3-hydroxylmethyl oxetane was 1:2.5, the amount of tera-n-butylammonium bromide was 2 g, the alkaline condition offered by 1.0 mol potassium hydroxide and the reaction time was 24 hours at 0 ℃. Under such conditions, the yield of 3,3'-bis was obtained as 49.3%. Meanwhile, the curable mechanism and the property of dilution of the novel cationic reactive monomer were studied. The result showed that, the curing mechanism of the novel monomer is attributed to the cationic ring-open polymerization and it has the similar dilute compared with commercial common monomers.

Key words: cationic reactive monomer, 3,3'-bis, UV-curing

WAN Shice, HUANG Biwu, DU Zhipeng, YONG Tao, HAN Wenjuan. Study on the Synthesis of 3,3'- bis for the Novel Cationic Curing Monomer[J]. Imaging Science and Photochemistry, 2016, 34(2): 181-189.

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